68664478 is an even 8-digits composite number following 68664477
and preceding 68664479 . In scientific notation, it is written as 6.8664478 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 34314840 positive integers (up to 68664478) that are relatively prime to 68664478.
68664478 has 8 divisors, whose sum is 103048920
The reverse of 68664478 is 87446686
Previous prime number is 2269
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million six hundred sixty-four thousand four hundred seventy-eight
Scientific notation
6.8664478 × 10^7
Engineering notation
6.8664478 × 10^6
Prime Factorization
2 × 2269 × 15131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68664478
Product of the distinct prime numbers
The prime factorization of 68664478 is 2 × 2269 × 15131.
Since it has a total of 3 prime factors.
3 , 9 , 14 , 75 , 406 , 893 , 3428 , 4135 , 90105 , 88783 , 122992 , 695471 , 8697441 , 9308483 , 65710279 , 98428274 , 5066502 , 610327112 , 3704213915 , 5251583878
n×2
137328956
n×3
205993434
n×4
274657912
n×5
343322390
n÷2
34332239
n÷3
22888159.333333
n÷3
17166119.5
n÷5
13732895.6
n2
4714810539012484
n3
3.2374000453019E+23
n4
2.2229438418783E+31
n5
1.5263727852589E+39
2 √n
8286.4032004242
3 √n
409.49069816463
4 √n
91.029683073293
5 √n
36.927203910054
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68664477
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68664478 can be divided by 8 positive divisors.
The sum of these divisors (counting 68664478) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101111011110010011110
3
Ternary
11210012111221211
4
Quaternary
10011323302132
5
Quinary
120034230403
6
Senary
10451415034
8
Octal
405736236
10
Decimal
68664478
12
Duodecimal
1abb447a
16
Hexadecimal
417bc9e
20
Vigesimal
119313i
36
Base36
14vpum
md5
555321e418cdb1d2885ca7269255093a
sha1
28bbc699327c09c967a8fd6a47dc1239a13ad0c8
sha256
db6237fe063ecde8bc1ae2cd8b415b44d8a8f7cf8b63bc031a43b3719c55bd56
sha512
d5e938306b7f6b1e6a3e4c88154ec843455de6714e1f3d999c66ca89d3532ee1c64948239a5239b61ee041b414eebd6e55f1e6a3390c30d615edbb82113309ed
ripemd-160
02284204d62b95edd3480ab7d0fb4c9c36e7f317
Diameter
137328956
Circumference
431431639.29476
Area
1.4812014152429E+16
Volume
1.3560789598736E+24
Surface area
5.9248056609717E+16
Circumference
431431639.29476
Perimeter
274657912
Area
4714810539012484
Diagonal
97106236.040869
Surface area
28288863234074904
Volume
3.2374000453019E+23
Space diagonal
118930364.5712
Perimeter
205993434
Area
2.0415728504077E+15
Altitude
59465182.285598
Surface area
2.0415728504077E+15
Volume
3.815312542411E+22
Height
32368745.346956